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Ported shells.t unit tests from Perl.

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Vojtech Bubnik 2022-12-23 16:07:09 +01:00
parent 11c0e567a6
commit fb85baf889
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t/shells.t
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use Test::More tests => 17;
use strict;
use warnings;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
use local::lib "$FindBin::Bin/../local-lib";
}
use List::Util qw(first sum);
use Slic3r;
use Slic3r::Geometry qw(epsilon);
use Slic3r::Test;
# issue #1161
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('layer_height', 0.3);
$config->set('first_layer_height', $config->layer_height);
$config->set('bottom_solid_layers', 0);
$config->set('top_solid_layers', 3);
$config->set('cooling', [ 0 ]);
$config->set('bridge_speed', 99);
$config->set('solid_infill_speed', 99);
$config->set('top_solid_infill_speed', 99);
$config->set('first_layer_speed', '100%');
$config->set('enable_dynamic_overhang_speeds', 0); # prevent speed alteration
my $print = Slic3r::Test::init_print('V', config => $config);
my %layers_with_solid_infill = (); # Z => 1
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
$layers_with_solid_infill{$self->Z} = 1
if $info->{extruding} && ($args->{F} // $self->F) == $config->solid_infill_speed*60;
});
is scalar(map $layers_with_solid_infill{$_}, grep $_ <= 7.2, keys %layers_with_solid_infill), 3,
"correct number of top solid shells is generated in V-shaped object";
}
{
my $config = Slic3r::Config::new_from_defaults;
# we need to check against one perimeter because this test is calibrated
# (shape, extrusion_width) so that perimeters cover the bottom surfaces of
# their lower layer - the test checks that shells are not generated on the
# above layers (thus 'across' the shadow perimeter)
# the test is actually calibrated to leave a narrow bottom region for each
# layer - we test that in case of fill_density = 0 such narrow shells are
# discarded instead of grown
$config->set('perimeters', 1);
$config->set('fill_density', 0);
$config->set('cooling', [ 0 ]); # prevent speed alteration
$config->set('first_layer_speed', '100%'); # prevent speed alteration
$config->set('enable_dynamic_overhang_speeds', 0); # prevent speed alteration
$config->set('layer_height', 0.4);
$config->set('first_layer_height', $config->layer_height);
$config->set('extrusion_width', 0.55);
$config->set('bottom_solid_layers', 3);
$config->set('top_solid_layers', 0);
$config->set('solid_infill_speed', 99);
my $print = Slic3r::Test::init_print('V', config => $config);
my %layers = (); # Z => 1
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
$layers{$self->Z} = 1
if $info->{extruding} && ($args->{F} // $self->F) == $config->solid_infill_speed*60;
});
is scalar(keys %layers), $config->bottom_solid_layers,
"shells are not propagated across perimeters of the neighbor layer";
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('perimeters', 3);
$config->set('cooling', [ 0 ]); # prevent speed alteration
$config->set('first_layer_speed', '100%'); # prevent speed alteration
$config->set('enable_dynamic_overhang_speeds', 0); # prevent speed alteration
$config->set('layer_height', 0.4);
$config->set('first_layer_height', $config->layer_height);
$config->set('bottom_solid_layers', 3);
$config->set('top_solid_layers', 3);
$config->set('solid_infill_speed', 99);
$config->set('top_solid_infill_speed', 99);
$config->set('bridge_speed', 99);
$config->set('filament_diameter', [ 3.0 ]);
$config->set('nozzle_diameter', [ 0.5 ]);
my $print = Slic3r::Test::init_print('sloping_hole', config => $config);
my %solid_layers = (); # Z => 1
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
$solid_layers{$self->Z} = 1
if $info->{extruding} && ($args->{F} // $self->F) == $config->solid_infill_speed*60;
});
is scalar(keys %solid_layers), $config->bottom_solid_layers + $config->top_solid_layers,
"no superfluous shells are generated";
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('perimeters', 1);
$config->set('fill_density', 0);
$config->set('top_solid_layers', 0);
$config->set('spiral_vase', 1);
$config->set('bottom_solid_layers', 0);
$config->set('skirts', 0);
$config->set('first_layer_height', $config->layer_height);
$config->set('start_gcode', '');
$config->set('temperature', [200]);
$config->set('first_layer_temperature', [205]);
# TODO: this needs to be tested with a model with sloping edges, where starting
# points of each layer are not aligned - in that case we would test that no
# travel moves are left to move to the new starting point - in a cube, end
# points coincide with next layer starting points (provided there's no clipping)
my $test = sub {
my ($model_name, $description) = @_;
my $print = Slic3r::Test::init_print($model_name, config => $config);
my $travel_moves_after_first_extrusion = 0;
my $started_extruding = 0;
my $first_layer_temperature_set = 0;
my $temperature_set = 0;
my @z_steps = ();
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd eq 'G1') {
$started_extruding = 1 if $info->{extruding};
push @z_steps, $info->{dist_Z}
if $started_extruding && $info->{dist_Z} > 0;
$travel_moves_after_first_extrusion++
if $info->{travel} && $info->{dist_XY} > 0 && $started_extruding && !exists $args->{Z};
} elsif ($cmd eq 'M104') {
$first_layer_temperature_set = 1 if $args->{S} == 205;
$temperature_set = 1 if $args->{S} == 200;
}
});
ok $first_layer_temperature_set, 'first layer temperature is preserved';
ok $temperature_set, 'temperature is preserved';
# we allow one travel move after first extrusion: i.e. when moving to the first
# spiral point after moving to second layer (bottom layer had loop clipping, so
# we're slightly distant from the starting point of the loop)
ok $travel_moves_after_first_extrusion <= 1, "no gaps in spiral vase ($description)";
ok !(grep { $_ > $config->layer_height + epsilon } @z_steps), "no gaps in Z ($description)";
};
$test->('20mm_cube', 'solid model');
$config->set('z_offset', -10);
$test->('20mm_cube', 'solid model with negative z-offset');
### Disabled because the current unreliable medial axis code doesn't
### always produce valid loops.
###$test->('40x10', 'hollow model with negative z-offset');
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('spiral_vase', 1);
$config->set('perimeters', 1);
$config->set('fill_density', 0);
$config->set('top_solid_layers', 0);
$config->set('bottom_solid_layers', 0);
$config->set('retract_layer_change', [0]);
$config->set('skirts', 0);
$config->set('layer_height', 0.4);
$config->set('first_layer_height', $config->layer_height);
$config->set('start_gcode', '');
# $config->set('use_relative_e_distances', 1);
$config->validate;
my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
my $z_moves = 0;
my @this_layer = (); # [ dist_Z, dist_XY ], ...
my $bottom_layer_not_flat = 0;
my $null_z_moves_not_layer_changes = 0;
my $null_z_moves_not_multiples_of_layer_height = 0;
my $sum_of_partial_z_equals_to_layer_height = 0;
my $all_layer_segments_have_same_slope = 0;
my $horizontal_extrusions = 0;
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd eq 'G1') {
if ($z_moves < 2) {
# skip everything up to the second Z move
# (i.e. start of second layer)
if (exists $args->{Z}) {
$z_moves++;
$bottom_layer_not_flat = 1
if $info->{dist_Z} > 0 && $info->{dist_Z} != $config->layer_height;
}
} elsif ($info->{dist_Z} == 0 && $args->{Z}) {
$null_z_moves_not_layer_changes = 1
if $info->{dist_XY} != 0;
# % doesn't work easily with floats
$null_z_moves_not_multiples_of_layer_height = 1
if abs(($args->{Z} / $config->layer_height) * $config->layer_height - $args->{Z}) > epsilon;
my $total_dist_XY = sum(map $_->[1], @this_layer);
$sum_of_partial_z_equals_to_layer_height = 1
if abs(sum(map $_->[0], @this_layer) - $config->layer_height) >
# The first segment on the 2nd layer has extrusion interpolated from zero
# and the 1st segment has such a low extrusion assigned, that it is effectively zero, thus the move
# is considered non-extruding and a higher epsilon is required.
($z_moves == 2 ? 0.0021 : epsilon);
#printf ("Total height: %f, layer height: %f, good: %d\n", sum(map $_->[0], @this_layer), $config->layer_height, $sum_of_partial_z_equals_to_layer_height);
foreach my $segment (@this_layer) {
# check that segment's dist_Z is proportioned to its dist_XY
$all_layer_segments_have_same_slope = 1
if abs($segment->[0]*$total_dist_XY/$config->layer_height - $segment->[1]) > 0.2;
}
@this_layer = ();
} elsif ($info->{extruding} && $info->{dist_XY} > 0) {
$horizontal_extrusions = 1
if $info->{dist_Z} == 0;
#printf("Pushing dist_z: %f, dist_xy: %f\n", $info->{dist_Z}, $info->{dist_XY});
push @this_layer, [ $info->{dist_Z}, $info->{dist_XY} ];
}
}
});
ok !$bottom_layer_not_flat, 'bottom layer is flat when using spiral vase';
ok !$null_z_moves_not_layer_changes, 'null Z moves are layer changes';
ok !$null_z_moves_not_multiples_of_layer_height, 'null Z moves are multiples of layer height';
ok !$sum_of_partial_z_equals_to_layer_height, 'sum of partial Z increments equals to a full layer height';
ok !$all_layer_segments_have_same_slope, 'all layer segments have the same slope';
ok !$horizontal_extrusions, 'no horizontal extrusions';
}
# The current Spiral Vase slicing code removes the holes and all but the largest contours from each slice,
# therefore the following test is no more valid.
#{
# my $config = Slic3r::Config::new_from_defaults;
# $config->set('perimeters', 1);
# $config->set('fill_density', 0);
# $config->set('top_solid_layers', 0);
# $config->set('spiral_vase', 1);
# $config->set('bottom_solid_layers', 0);
# $config->set('skirts', 0);
# $config->set('first_layer_height', $config->layer_height);
# $config->set('start_gcode', '');
#
# my $print = Slic3r::Test::init_print('two_hollow_squares', config => $config);
# my $diagonal_moves = 0;
# Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
# my ($self, $cmd, $args, $info) = @_;
#
# if ($cmd eq 'G1') {
# if ($info->{extruding} && $info->{dist_XY} > 0) {
# if ($info->{dist_Z} > 0) {
# $diagonal_moves++;
# }
# }
# }
# });
# is $diagonal_moves, 0, 'no spiral moves on two-island object';
#}
__END__